diff --git a/creator-tools/src/main/java/com/skcraft/launcher/creator/Creator.java b/creator-tools/src/main/java/com/skcraft/launcher/creator/Creator.java
index 84e7f49..0573a55 100644
--- a/creator-tools/src/main/java/com/skcraft/launcher/creator/Creator.java
+++ b/creator-tools/src/main/java/com/skcraft/launcher/creator/Creator.java
@@ -51,6 +51,7 @@ public class Creator {
             }
         } catch (IOException e) {
             log.severe("Could not walk plugin directory, plugins have not been loaded");
+            e.printStackTrace();
         }
         this.plugins = pluginLoader.loadAll();
 
diff --git a/creator-tools/src/main/java/com/skcraft/launcher/creator/plugin/CreatorPluginLoader.java b/creator-tools/src/main/java/com/skcraft/launcher/creator/plugin/CreatorPluginLoader.java
index 92c529b..0b2bc09 100644
--- a/creator-tools/src/main/java/com/skcraft/launcher/creator/plugin/CreatorPluginLoader.java
+++ b/creator-tools/src/main/java/com/skcraft/launcher/creator/plugin/CreatorPluginLoader.java
@@ -18,6 +18,7 @@ import java.util.List;
 import java.util.jar.JarFile;
 import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
+import java.util.zip.ZipException;
 
 @Log
 public class CreatorPluginLoader extends DirectoryWalker {
@@ -26,7 +27,13 @@ public class CreatorPluginLoader extends DirectoryWalker {
 
 	@Override
 	protected void onFile(File file, String relPath) throws IOException {
-		JarFile jarFile = new JarFile(file);
+		JarFile jarFile;
+		try {
+			jarFile = new JarFile(file);
+		} catch (ZipException e) {
+			log.warning(String.format("Found a non-JAR file %s in plugins directory", file));
+			return;
+		}
 
 		ZipEntry metaEntry = jarFile.getEntry("skcraftcreator.plugin.json");
 		if (metaEntry != null) {
@@ -36,6 +43,8 @@ public class CreatorPluginLoader extends DirectoryWalker {
 
 			log.info("Found plugin " + pluginInfo.getId());
 			candidates.add(new PluginCandidate(pluginInfo, file.toURI().toURL()));
+		} else {
+			log.warning(String.format("Found a non-plugin JAR file: %s", file));
 		}
 	}